Single-layer shingle



FIG. 1 is a top plan view of a first embodiment of a single-layer shingle showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a perspective view thereof;

FIG. 6 is top plan view of a second embodiment of a single-layer shingle showing my new design;

FIG. 7 is a front elevation view thereof;

FIG. 8 is a rear elevation view thereof;

FIG. 9 is a right side elevation view thereof;

FIG. 10 is a perspective view thereof;

FIG. 11 is top plan view of a third embodiment of a single-layer shingle showing my new design;

FIG. 12 is a front elevation view thereof;

FIG. 13 is a rear elevation view thereof;

FIG. 14 is a right side elevation view thereof; and,

FIG. 15 is a perspective view thereof. 

CLAIM The ornamental design for a single-layer shingle, as shown and described. 